removed import error warning and changed function doc (#1839)

rq/utils.py

@@ -182,9 +182,6 @@ def import_attribute(name: str) -> Callable[..., Any]:
     E.g.: package_a.package_b.module_a.ClassA.my_static_method
 
     Thus we remove the bits from the end of the name until we can import it
-    Sometimes the failure during importing is due to a genuine coding error in the imported module
-    In this case, the exception is logged as a warning for ease of debugging.
-    The above logic will apply anyways regardless of the cause of the import error.
     
     Args:
         name (str): The name (reference) to the path.
@@ -204,7 +201,6 @@ def import_attribute(name: str) -> Callable[..., Any]:
             module = importlib.import_module(module_name)
             break
         except ImportError:
-            logger.warning("Import error for '%s'" % module_name, exc_info=True)
             attribute_bits.insert(0, module_name_bits.pop())
 
     if module is None: